The difference will show up when developers take advantage of the options they now have to create their software to take advantage of SL's offerings, then we will see what SL can do. A few too many people are expecting to see fluff like in Windows Vista when in fact Leopard/SL offers a lot of features and is much more feature rich than Vista/Windows 7.
Honestly, what did we pick up in Vista from XP? Better security, well a little better, nicer UI, but inconsistent, but nicer and a more complicated control panel.
What did we pick up in Windows 7? A better task bar and the ability to slide two windows to the edge of the screen for a side by side comparison and better memory management.
Leopard/SL offers so much more than both versions of Windows put together. At this point an OS is just for running your apps and to increase productivity, it's not just for flash and fluff.
As another poster mentioned, think about the last time you spent a meezly $30 on pizza and sodas, or 24 pack of beer. Both only lasting one night, your computer is updated and will offer you more than one night of pleasure.
